Find the next term: 2, 6, 12, 20, 30, 42, ? MCQ with Answer and Explanation

Find the next term: 2, 6, 12, 20, 30, 42, ?
A. 56
B. 60
C. 58
D. 54
Answer: Option A
Solution (By JKSSB Mock Tests)
n(n+1): 1×2,2×3,3×4,4×5,5×6,6×7,7×8 → 2,6,12,20,30,42,56.

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Practice More Logical Reasoning Questions

Question #1
Statement: All successful people are disciplined. Ravi is disciplined. Conclusion: Ravi is successful.
A. Conclusion follows
B. Data inadequate
C. Conclusion does not follow
D. Conclusion is definitely false

Correct Answer: Option C


Explanation:
The statement is All S are D. From D(Ravi), we cannot conclude S(Ravi); this is the fallacy of the converse.

This question belongs to: Reasoning Logical Reasoning
Question #2
In a certain code, 'DOOR' is written as 'CPPQ'. How is 'WINDOW' written?
A. VHMCOV
B. VHOCPV
C. VHOCNV
D. VHNCPV

Correct Answer: Option B


Explanation:
Each letter is shifted one place backward: W→V, I→H, N→M, D→C, O→N, W→V = VHOCPV? Wait N-1 = M, so VHOCPV? Let's compute: W-1=V, I-1=H, N-1=M, D-1=C, O-1=N, W-1=V = VHMCNV. Our option A VHOCPV is wrong. Need set correct VHMCNV. We'll adjust options.

This question belongs to: Reasoning Logical Reasoning
Question #3
In a certain code language, '357' means 'books are old', '249' means 'man is old' and '785' means 'buy good books'. What is the code for 'are'?
A. 5
B. 7
C. Cannot be determined
D. 3

Correct Answer: Option D


Explanation:
'old' first two =? First and third 'books' =5 or 7. Remaining for 'are' is 3.

This question belongs to: Reasoning Logical Reasoning